Exploration #2_Factorizing by jinseop lee https://padlet.com/jinseopleekcis/dg2uug1nxavp G10 MYP5 Maths_Quadratics en-us 2017-09-03 09:13:24 UTC 2026-01-03 19:16:57 UTC hello@padlet.com Worksheet jinseopleekcis https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184393848 Download the following Worksheet]]> 2017-09-03 09:15:17 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184393848 Questions to Answer jinseopleekcis https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184394147 Please answer the question and share your answer for #4 and #5 here.]]> 2017-09-03 09:24:13 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184394147 wxxxxx https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184447759 4# （x+1)(x+7)=x^2+8x+7
(x-3)(x+8)=x^+5x-24
(x-1)(x-2)=x^2-3x+2
(x+5)(x-5)=x^-25
5#(x+p)(x+q)=x^2+(p+q)x+p*q]]> 2017-09-04 00:39:14 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184447759 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184447798 #4 
(x+1)(x+7) =x^2+8x+7
(x-3)(x+8) =x^2+5x
(x-1)(x-2) =x^2-3x+2
(x-5)+(x+5)=x^2-25
#5
(x+p)(x+q) = x^2 +(p+q)x+pq]]> 2017-09-04 00:39:52 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184447798 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184447825 4. predictions: p+q=b, pq=c, a=1.
(x+1)(x+7)=x2+8x+7
(x-3)(x+8)=x2+5x-24
(x-1)(x-2)=x2-3x+2
(x+5)(x-5)=x2-25
5. In (x+p)(x+q)=ax2+bx+c, a=1, b=p+q, and c=pq.]]> 2017-09-04 00:40:18 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184447825 Na alansun2002 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448317 #4
(x+1)(x+7)=x2+8x+7
(x-3)(x+8)=x2+5x-24
(x-1)(x-2)=x2-3x+2
(x+5)(x-5)-x2-25

#5 (b=p+q,, c+pq)
 (x+p)(x+q)=ax2+(p+q)x+pq]]> 2017-09-04 00:46:29 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448317 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448340 4. (x+4)(x-7)=x^2-3x-28
(x-4)(x+7)=x^2+3x-28

5. (x+p)(x+q)=x^2+(p+q)x+pq]]> 2017-09-04 00:46:44 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448340 lynnexiang124 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448532 4. (x+1)(x+2)=x^2+3x+2
(x-1)(x-2)=x^2-3x+2
(x+1)(x-2)=x^2-x-2
(x-1)(x+2)=x^2+x-2
5.(x+p)(x+q)=x^2+(p+q)x+pq]]> 2017-09-04 00:49:02 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448532 QUESTION 4 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448549 (x+5)(x+6)=x^2+11x+30
5+6=11 5*6=30]]> 2017-09-04 00:49:20 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448549 # https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448571 （x+1）（x+7）=x ² +8x+7
(x-3)(x+8)=x ² +5x-24
(x-1)(x-2)=x ² -3x+2
(x+5)(x-5)=x ² -25

#5
(x+p)(x+q)=x ² +（p+q）x+pq]]> 2017-09-04 00:49:34 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448571 Q4&5 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448611   #4 (x+1)(x+7)=x^2+7x+x+7=x^2+8x+7
p=1 q=7 b=p+q=8 c=p*q=7
ax^2+bx+c=x^2+8x+7

#5 
（x+p)(x+q)=ax^2+bx+c=ax^2+(p+q)x+(p*q)]]> 2017-09-04 00:50:02 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448611 #4&5 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448634 (x+1)(x+7)=x^2+8x+7
(x-3)(x+8)=x^2+5x-24
(x-1)(x-2)=x^2-3x+2
(x+5)(x-5)=x^2-25

p+q=b pxq=c]]> 2017-09-04 00:50:18 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448634 QUESTION 5 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448716 (x+p)(x+q)=ax^2+(p+q)x+pq]]> 2017-09-04 00:51:20 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448716 12345 08436frand https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448806  
When the factorized expression at the form of (x+p)(x+q)
 
, its standard expression is
x^2+(p+q)x+pq
]]> 2017-09-04 00:52:29 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448806 4&5 https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448852 (x+1)(x+7)=x^2+8x+7
(x-3)(x+8)=x^2+5x-24
(x-1)(x-2)=x^2-3x+2
(x+5)(x-5)=x^2+25
(x+p)(x+q)=x^2+(p+q)x+pq]]> 2017-09-04 00:52:56 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184448852 4.(x+1)(x+7)=x2+8x+7 yifan0206_shao https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184449274 (x-3)(x+8)=x2+5x-24
(x-1)(x-2)=x2-3x+2
(x+5)(x-5)=x2-25
5. a=1 p+q=b pq=c]]> 2017-09-04 00:59:02 UTC https://padlet.com/jinseopleekcis/dg2uug1nxavp/wish/184449274